Senior Fullstack Engineer - Data Platform

Requirements

• You are experienced working across frontend, backend, and infrastructure in a fullstack environment
• You have strong experience with JavaScript and TypeScript, including modern development, testing, and debugging practices
• You are comfortable building applications using React and working with backend systems in Java
• You care deeply about developer experience and enjoy building intuitive, reliable APIs and tools
• You have a quality mindset and think holistically about software development, from coding to deployment and monitoring
• You have experience building user-friendly web applications and understand what makes a great user experience
• You are curious and collaborative, and enjoy working with cross-functional partners to solve complex problems
• You have exposure to areas such as GCP, Kubernetes, gRPC, protobuf, or large-scale data pipelines

What You'll Be Doing

• Build and evolve internal tools that help developers instrument and understand user behavior data
• Collaborate with engineers, data scientists, designers, and product managers to create intuitive and scalable developer experiences
• Design and maintain APIs that integrate smoothly with Spotify’s web clients, including desktop and TV platforms
• Evolve and maintain JavaScript SDKs to support new capabilities within the user behavior infrastructure
• Identify friction points in adoption and integration, and continuously improve the developer experience
• Contribute to backend systems and services that support data collection and processing at scale
• Take part in an on-call rotation to support the reliability and performance of the platform

Nice to Haves

• You are comfortable leveraging AI tools (such as Claude Code) to enhance development workflows

Perks and Benefits

• This role is based in London
• We offer you the flexibility to work where you work best! There will be some in-person meetings, but still allows for flexibility to work from home.